u dubtu ste ko
u dubtu ste ko ?
u WORD_BOUNDARY d̪̻ u b t̪̻ u WORD_BOUNDARY s̪̻ t̪̻ e̞ WORD_BOUNDARY k o̞ WORD_BOUNDARY
u WORD_BOUNDARY d u b t u WORD_BOUNDARY s t e WORD_BOUNDARY k o WORD_BOUNDARY ? WORD_BOUNDARY